CZ CZ1242 Explosion-proof Control Box, GRP, Up to 180A 690V, Ex db eb ia mb IIC T6/T5 Gb T80/T95℃ Db, IP66, IECEx ATEX Approved

CZ1242 Explosion-proof Control Box, GRP, Up to 180A 690V

The Chuangzheng CZ1242 series is a versatile, full-plastic explosion-proof control box engineered to house and protect electrical control components in highly hazardous industrial environments. Constructed from advanced anti-static Glass Fibre Reinforced Polyester (GRP/SMC), this control box offers exceptional mechanical strength, chemical stability, corrosion resistance, and inherent electrostatic discharge protection, making it an ideal lightweight enclosure for critical control applications. With comprehensive explosion protection ratings including Ex db eb ia mb IIC T6/T5 Gb for gas hazards and Ex tb IIIC T80/T95℃ Db for dust hazards, and backed by IECEx, ATEX, and CCC certifications, the CZ1242 ensures the utmost safety in Zone 1, 2 (gas) and Zone 21, 22 (dust) explosive atmospheres. Designed for ease of installation, offering a large wiring space, and boasting an IP66 ingress protection rating, this control box is a reliable solution for diverse industrial control needs.

Key Features:

• Multi-Protection Explosion Safety: Certified with versatile explosion protection methods (flameproof 'd', increased safety 'e', intrinsic safety 'ia', encapsulation 'mb') under Ex db eb ia mb IIC T6/T5 Gb and Ex tb IIIC T80/T95℃ Db, ensuring safety across a wide range of hazardous gas and dust environments.
• Robust GRP/SMC Construction: Made from high-quality anti-static Glass Fibre Reinforced Polyester (SMC), providing superior impact resistance, chemical and corrosion stability, UV resistance, and crucial electrostatic discharge properties for safety in hazardous areas.
• High IP66 Environmental Protection: Provides complete protection against dust ingress and resistance to powerful water jets, safeguarding internal components from severe environmental conditions.
• Wide Operating Temperature and Dual T-Class Rating: Functional across an ambient temperature range typically from -40℃ to +55℃, with temperature class T6 (for maximum +40℃ ambient) and T5 (for maximum +55℃ ambient) for gas, and T80℃/T95℃ for dust, ensuring flexibility for various climate zones and applications.
• High Electrical Capability: The enclosure is designed to safely accommodate components for circuits up to 690V AC and current distribution up to 180A. Note: Individual control components (e.g., pushbuttons, indicators) typically have maximum ratings of 500V / 16A, depending on configuration.
• Easy Installation and Ample Wiring Space: Engineered for user-friendly installation with a spacious internal design, facilitating convenient wiring and component mounting.
• Flexible Cable Entry Options: Supports a selection of robust brass or moulded plastic cable glands, providing secure, flameproof, and dust-tight cable connections.
• International Certifications: Holds IECEx International Approval, ATEX European Union Certification, and CCC (China Compulsory Certification), ensuring global compliance and acceptance.

Detailed Technical Specifications:

Electrical Characteristics:

• Manufacturer: Chuangzheng Explosion-proof Electric Co., Ltd.
• Series: CZ1242
• Product Type: Explosion-proof Control Box
• Rated Voltage (Enclosure): Up to 690V AC
• Rated Current (Enclosure): Up to 180A
• Component Terminal Capacity: 2.5 mm² (standard terminals)
• PE (Protective Earth) Terminal Capacity: 4 mm²
• Typical Component Ratings (Internal, e.g., for Pushbuttons, Indicators): Up to 500V AC, Max 16A (subject to specific component selection)

Explosion Protection & Environmental:

• Explosion Protection Marks:
  • China: Ex d e ia mbⅡC T6/T5 Gb Ex tD A21 IP66 T80℃/T95℃
  • IECEx: Ex db eb ia mbⅡC T6/T5 Gb Ex tb ⅢC T80℃/T95℃ Db
  • ATEX: Ⅱ2 G D Ex db eb ia mbⅡC T6/T5 Gb Ex tbⅢC T80℃/T95℃ Db
• Applicable Hazardous Zones:
  • Zone 1 (Gases) & Zone 2 (Gases)
  • Zone 21 (Dusts) & Zone 22 (Dusts)
• Gas Group Compatibility: IIA, IIB, IIC
• Dust Group Compatibility: IIIA, IIIB, IIIC
• Temperature Class (Gas): T6 (for Ta ≤ +40℃), T5 (for Ta ≤ +55℃)
• Maximum Surface Temperature (Dust): T80℃ (for Ta ≤ +40℃), T95℃ (for Ta ≤ +55℃)
• Ingress Protection (IP) Rating: IP66
• Ambient Temperature Range: -40℃ ≤ Ta ≤ +40℃ (for T6/T80℃) / -40℃ ≤ Ta ≤ +55℃ (for T5/T95℃)

Mechanical Specifications:

• Housing Material: GRP (anti-static glass fibre reinforced polyester SMC)
• Cable Entry (Typical Standard Configurations):
  • 1 × M25 (for cable outside diameter Φ8 ~ 17mm)
  • 1 × M32 (for cable outside diameter Φ12 ~ 21mm)
  • Cable glands can be selected in brass or moulded plastic.
  • Custom drilling and gland configurations are available upon request.
• Mounting Type: Wall-mounted, Vertical mounted (surface mounting)
• Internal Space: Large wiring space for accommodating various control components (e.g., pushbuttons, selector switches, pilot lights, meters).

Standards & Compliance:

• Certifications:
  • CCC (China Compulsory Certification): CE17.5039X
  • IECEx: IECEx CML 17.0025X
  • ATEX: CML 17 ATEX 1040X
• Applicable Standards: Complies with relevant requirements of IEC 60079 series and EN 60079 series standards for explosive atmospheres.

Applications:

The Chuangzheng CZ1242 Explosion-proof Control Box is ideally suited for a wide array of industrial applications requiring safe and reliable control functions in hazardous locations, including:

• Oil and Gas Industry: Control panels for wellheads, pumping stations, refineries, and offshore platforms.
• Chemical and Petrochemical Plants: Housing for local control stations, motor starters, and instrumentation in process areas with flammable gases/vapors.
• Pharmaceutical Production: Control interfaces for reactor vessels, mixing equipment, and material handling in areas demanding high cleanliness and explosion safety.
• Mining (Surface Operations): Control of conveyors, pumps, and ventilation systems in non-coal mining sectors with potential for explosive gas or dust.
• Grain Processing and Storage: Local control points for conveyors, elevators, and ventilation in silos and mills where combustible dust is present.
• Paint and Coating Facilities: Control panels for mixing tanks, spray booths, and ventilation equipment.
• Wastewater Treatment Plants: Remote control for pumps, valves, and monitoring equipment in areas with methane or other flammable gases.
• Any industrial facility requiring highly configurable, robust, and certified control solutions for hazardous environments.